HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$258+ Cheap flights from Oregon to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LON
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oregon to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oregon to London

Cheapest flights from Oregon to London
Explore the most affordable flight options available from Oregon to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 6, 2026.

This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:14 pm
BOI
-
LHR
2 stops22h 26m
Scandinavian Airlines
Mon 9/287:30 pm
LHR
-
BOI
2 stops30h 10m
Scandinavian Airlines
Deal found 7/3$871
This oojo deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:14 pm
BOI
-
LHR
2 stops20h 46m
Scandinavian Airlines
Tue 9/226:40 am
LHR
-
BOI
2 stops19h 00m
Scandinavian Airlines
Deal found 7/3$872
This oojo deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:34 am
BOI
-
LHR
2 stops22h 26m
Scandinavian Airlines
Thu 9/176:40 pm
LHR
-
BOI
2 stops30h 59m
Scandinavian Airlines
Deal found 7/2$873
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:17 pm
EUG
-
LHR
1 stop13h 43m
United Airlines
Thu 11/126:35 am
LHR
-
EUG
2 stops19h 33m
United Airlines
Deal found 7/2$874
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:25 am
BOI
-
LHR
1 stop23h 00m
United Airlines
Wed 10/77:25 am
LHR
-
BOI
2 stops19h 04m
United Airlines
Deal found 7/1$874
This Air France deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:26 pm
RDM
-
LHR
1 stop18h 09m
Multiple Airlines
Tue 10/278:25 pm
LHR
-
RDM
2 stops33h 41m
Multiple Airlines
Deal found 7/3$874
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:00 pm
BOI
-
LHR
1 stop16h 00m
Delta
Tue 10/136:30 am
LHR
-
BOI
2 stops19h 03m
Delta
Deal found 7/5$875
This KLM deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:26 pm
RDM
-
LHR
2 stops16h 49m
KLM
Tue 10/275:50 pm
LHR
-
RDM
2 stops31h 56m
KLM
Deal found 7/3$878
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:35 pm
BOI
-
LHR
1 stop33h 50m
United Airlines
Fri 10/166:50 am
LHR
-
BOI
2 stops23h 08m
United Airlines
Deal found 7/5$880
This KLM deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:44 pm
EUG
-
LHR
2 stops15h 31m
KLM
Thu 10/159:55 am
LHR
-
EUG
2 stops21h 55m
KLM
Deal found 7/3$882
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:32 pm
EUG
-
LHR
1 stop14h 48m
Alaska Airlines
Thu 11/122:45 pm
LHR
-
EUG
1 stop17h 13m
Alaska Airlines
Deal found 7/1$884
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:48 pm
BOI
-
LHR
1 stop12h 17m
Alaska Airlines
Wed 10/75:00 pm
LHR
-
BOI
1 stop13h 58m
Alaska Airlines
Deal found 7/1$884

Find flight deals from Oregon to London

Keep the following information in mind while searching for Oregon to London flight deals. Data was last updated July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$871
(oojo)

One-way from

$258
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,220

Good round-trip deal

$1,006 or less

Good one-way deal

$415 or less
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Search Deals
From Oregon to London (LON)
Search Deals
One-way flight from Oregon to London (LON)
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Oregon to London (LON).
Search Deals
Price to beat on a one-way flight from Oregon to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Oregon to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Wed 10/7

12:33 pm-3:35 pm

1 stop19h 02m

London Heathrow

Thu 10/15

9:55 am-11:50 pm

2 stops21h 55m

$874

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 10/7

5:30 pm-12:35 pm

1 stop12h 05m

London Heathrow

Tue 10/13

7:25 am-7:29 pm

2 stops19h 04m

$874

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Sun 11/8

5:27 am-7:10 am

2 stops17h 43m

London Heathrow

Thu 11/12

6:35 am-6:08 pm

2 stops19h 33m

$877

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 10/20

7:23 pm-3:05 pm

1 stop11h 42m

London Heathrow

Thu 10/29

2:45 pm-11:57 pm

1 stop16h 12m

$885

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Wed 10/7

3:01 pm-3:05 pm

1 stop16h 04m

London Heathrow

Thu 10/15

5:00 pm-11:57 pm

1 stop14h 57m

$886

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 10/13

1:32 pm-3:05 pm

1 stop17h 33m

London Heathrow

Tue 10/27

2:45 pm-11:50 pm

1 stop16h 05m

$886

RedmondLondon

RDM - LHR

RDMLHR

Bend/Redmond

Tue 9/29

1:52 pm-2:10 pm

1 stop16h 18m

London Heathrow

Tue 10/13

6:55 am-6:12 pm

2 stops19h 17m

$904

EugeneLondon

EUG - LHR

EUGLHR

Eugene

Tue 10/20

5:54 am-7:10 am

2 stops17h 16m

London Heathrow

Thu 10/29

6:30 am-5:00 pm

2 stops17h 30m

$906

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 8/7

7:05 pm-11:45 am

1 stop32h 40m

London Gatwick

Thu 8/20

3:40 pm-5:55 pm

1 stop34h 15m

$919

PortlandLondon

PDX - LHR

PDXLHR

Portland

Thu 10/1

7:00 am-7:15 am

1 stop16h 15m

London Heathrow

Tue 10/20

6:30 am-11:10 am

1 stop12h 40m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Oregon to London

Have a flexible travel schedule? Discover the best time to fly to London from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to London

What is the cheapest month to book a flight from Oregon to London?

Currently, March is the cheapest month in which you can book a flight from Oregon to London (average of $296). Flying from Oregon to London in September is currently the most expensive (average of $1,464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to LON?

Find hourly flight availability from Oregon to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 6, 2026.

When flying from Oregon to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Oregon to London

Explore weekly flight availability from Oregon to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 6, 2026.

The most flights from USOR to LON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Oregon to London?

How far ahead should I book a flight from Oregon to London?

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oregon to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Oregon to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oregon to London?

    Airlines like United Airlines, Alaska Airlines, and Virgin Atlantic fly from Oregon to London in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 10h 15m. The distance between Oregon and London is about 4829 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to London one-way?

    One-way options have recently been found by users for as low as $171 on Virgin Atlantic. Other airlines that offer cheap prices include Delta from $226 and Icelandair from $286 one-way.

  • What are the most popular routes from Oregon to London?

    While some choose either Portland - London Gatwick or Portland - London Stansted, Portland - London Heathrow is the most popular route from Oregon to London.

  • What are the most reliable airlines from Oregon to London?

    No one likes to see their flight delayed. When booking a flight from Oregon to London consider choosing American Airlines (68%), Alaska Airlines (68%) or Aer Lingus (68%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to London?

    Looking at all options, your cheapest flight can be booked for $344. While the most popular route (Portland - London Heathrow) can be booked for $754 on average, our data indicates $3,302 when flying from Oregon to London.

  • Can I find deals for flights from Oregon to London that include hotel bookings?

    Yes. In addition to deals on Oregon to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to London.

  • Can I find deals for business class flights from Oregon to London?

    Yes. Cheapflights offers flight deals from Oregon to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to London?

    Currently, March is the cheapest month in which you can book a flight from Oregon to London (average of $296). Flying from Oregon to London in September is currently the most expensive (average of $1,464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Oregon to London

Discover the top 10 airlines that operate flights from Oregon to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$472Average$780FlexibilityNo cancel feeOn-time76%
IberiaCheapest$525Average$888FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$1,024FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$542Average$954FlexibilityNo cancel feeOn-time72%
DeltaCheapest$551Average$1,163FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$569Average$942FlexibilityNo cancel feeOn-time70%
KLMCheapest$594Average$728FlexibilityNo cancel feeOn-time75%
Alaska AirlinesCheapest$600Average$1,101FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$630Average$939FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$630Average$996FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights